Course EAS 3610:

Introduction to Geophysics

Fall, 2009

Instructor:
Andrew Newman
anewmangatech.edu
PH:404-894-3976
ES&T 2254
Teaching Assitant:
Lujia Feng
lfenggatech.edu
ES&T 2120

Syllabus (PDF)
Select information from lectures

GENERAL

When: August 17 - December 11, 2009
Lecture: MWF, 10:05 - 10:55 am

Where: ES&T L1175

Instructor Office Hours: Will be held in my office (see above) on Mondays and Thursdays from 11 am - 12 pm, or by appointment.

Teaching Assitant Office Hours: ES&T 2120, Tuesdays 2 - 3 pm and Thursdays 3 - 4 pm, or by appointment.

Course Objectives:
This course is an introduction to methods used to visualize and understand the history, shape, mechanical structure, and dynamics of the solid-earth system. We will discuss how geophysical tools, including seismology, gravity, magnetism, heat flow, geochronology, and geodesy, are used to understand the age, whole-earth and near-surface structure, and to quantify the kinematics and dynamics of plate tectonics.

Prerequisites
  • Physics 2212: Introduction to Physics I
  • EAS 2600: Earth Processes and Products

Required Text:
  • Fowler, C.M.R., The Solid Earth: An Introduction to Global Geophyics, 2nd Edition, Cambridge University Press, 685 pp., 2005.

Class Communications:
You will occasionally receive class information via email to your prism account. Because this information may not be communicated in class, you should be sure to read messages identified as [EAS: Geophysics]. In emailing me for class, please add [EAS: Geophysics] to the subject line and identify yourself by name in the message since not all prism accounts clearly identify the email's author.


Course Outline:
This is an approximate outline of topics and timing and is subject to change throughout the semester.
Week Date Topic HW/Exams
1 8/17 - 19 Introduction:
- Why Geophysics?
- Math review
- Geophysical approximation
1-3 8/21 - 9/2 Plate Tectonics and Geodynamics
- The geometry and kinematics of plate motions
- Survey and characterization of plate motions
- Types and importance of plate boundaries HW 1
- Plate reconstructions and dating
- Paleomagnetism and polar wander
- Modern measurements of plate motions
- Mechanisms and consequences of plate tectonics
3-5 9/4 - 9/18 Seismology: Earth imaging and earthquake characterization
(no class 9/7) Labor Day
- Seismic waves HW 2
- Earthquake seismology beachballs handout
- Seismic imaging: reflection, refraction, and tomograph
- The seismometer
9/21 Mid-term 1
6-7 9/23 - 10/2 Earth Gravity
- Mass distribution and relation to gravity
- Geopotential and the shape of the earth
- Gravity anomalies
- The gravimeter
- Isostasy HW 3
(no class 10/5) fall break
8-9 10/7 - 10/16 Geochronology:
- Geologic time: from relative to absolute
- Prinicples of geochronology
- Modern methods
- Estimations of the Earth's Age HW 4
10-1110/19 - 10/28 Internal Heat Engine:
- Sources of Earth's heat
- Mechanisms of heat transport
- Global heat flow and heat loss
- Tapping Earth heat: geothermal energy
10/30 Mid-term 2
12-1311/2 - 11/1 Deep Earth structure:
- Internal structure from seismology
- Planetary inertia and moment HW 5
- Mantle convection
- The Geodynamo
14-1511/16 - 11/25 Lithoshperic structure:
- Oceanic lithospheric formation
- Oceanic lithospheric destruction
- Growth of continents
- Formation of contiental basins
(no class 11/27) Thanksgiving
16 11/30-12/4 Course Wrap-up: Emergent geophysics
Guest lectures on research at Georgia Tech
12/7 - 12/11 Final



EVALUATION:

Your course grade will be based on three criteria: homework (30%), 2 mid-term exams (2 x 20%), and a final exam (30%).

Homework:

Homework will be assigned every 2 weeks and will be due one week from assignment. Late homework will not accepted without prior authorisation. See the academic honesty section (below), for information on working together.

Exams:

There will be two equally weighted exams that will be administered during normal class hours, and one final exam administered during exam week. The first two exams will focus on material covered since the previous exam, while the final exam will be comprehensive. Missed exams will receive a score of zero unless approved and rescheduled beforehand.


ACADEMIC HONESTY:

General: It is expected that all students are aware of their individual responsibilities under the Georgia Tech Academic Honor Code, which will be strictly adhered to in this class.

Problem Sets: Students are encouraged to work together on developing solutions to problem sets; however, the solutions/answers that are turned in must be the work of each individual. Include the name of individuals consulted for each problem that you sought aid in answering (including the instructors).

Exams: All information required for exams will be supplied. Reference to texts or other documents during exams is strictly forbidden. The use of electronic devices (e.g. cellular phones, computers etc.) other than non-programmable calculators during exams and quizzes is not allowed.

The complete text of the Academic Honor Code may be found at http://www.honor.gatech.edu/.


Geophysics Home | anewman gatech.edu | Updated: Fri Nov 6 10:01:33 EST 2009